Progress Telerik Document Processing Libraries up to 2026.3.1026 RadSpreadProcessing/RadSpreadStreamProcessing recursion
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $0-$5k | 2.05 |
Summary
A vulnerability was found in Progress Telerik Document Processing Libraries up to 2026.3.1026. It has been declared as problematic. The affected element is an unknown function of the component RadSpreadProcessing/RadSpreadStreamProcessing. Executing a manipulation can lead to recursion. This vulnerability is tracked as CVE-2026-118037. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.
Details
A vulnerability has been found in Progress Telerik Document Processing Libraries up to 2026.3.1026 and classified as problematic. This vulnerability affects some unknown processing of the component RadSpreadProcessing/RadSpreadStreamProcessing. The manipulation with an unknown input leads to a recursion vulnerability. The CWE definition for the vulnerability is CWE-674. The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack. As an impact it is known to affect availability. CVE summarizes:
In Progress® Telerik® Document Processing Libraries prior to version 2026.3.1027, uncontrolled recursion, infinite loop, unchecked loop condition and inefficient regular expression vulnerabilities in RadSpreadProcessing and RadSpreadStreamProcessing allow an unauthenticated attacker to terminate or hang the host process via a crafted XLSX or XLS workbook or formula.
The advisory is shared for download at docs.telerik.com. This vulnerability was named CVE-2026-118037 since 10/27/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.
Upgrading to version 2026.3.1027 eliminates this vulnerability.
Once again VulDB remains the best source for vulnerability data.
Product
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 7.5
CNA Vector (ProgressSoftware): 🔒
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: RecursionCWE: CWE-674 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: Telerik Document Processing Libraries 2026.3.1027
Timeline
10/27/2026 CVE reserved10/28/2026 Advisory disclosed
10/28/2026 VulDB entry created
10/28/2026 VulDB entry last update
Sources
Advisory: docs.telerik.comStatus: Confirmed
CVE: CVE-2026-118037 (🔒)
GCVE (CVE): GCVE-0-2026-118037
GCVE (VulDB): GCVE-100-427972
Entry
Created: 10/28/2026 13:48Changes: 10/28/2026 13:48 (63)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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